<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    div {
      width: 200px;
      height: 200px;
      background-color: rgb(92, 92, 211);
      border-radius: 50%/150px 100px 200px 50px;
    }
  </style>
</head>

<body>
  <div>

  </div>
</body>

</html>